<div class="loader"></div>
<style>
/* From Uiverse.io by doniaskima - Tags: simple, material design, loader */
/* HTML: <div class="loader"></div> */
.loader {
  --c1: #673b14;
  --c2: #f8b13b;
  width: 40px;
  height: 80px;
  border-top: 4px solid var(--c1);
  border-bottom: 4px solid var(--c1);
  background: linear-gradient(90deg, var(--c1) 2px, var(--c2) 0 5px,var(--c1) 0) 50%/7px 8px no-repeat;
  display: grid;
  overflow: hidden;
  animation: l5-0 2s infinite linear;
}

.loader::before,
.loader::after {
  content: "";
  grid-area: 1/1;
  width: 75%;
  height: calc(50% - 4px);
  margin: 0 auto;
  border: 2px solid var(--c1);
  border-top: 0;
  box-sizing: content-box;
  border-radius: 0 0 40% 40%;
  -webkit-mask: linear-gradient(#000 0 0) bottom/4px 2px no-repeat,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  background: linear-gradient(var(--d,0deg),var(--c2) 50%,#0000 0) bottom /100% 205%,
    linear-gradient(var(--c2) 0 0) center/0 100%;
  background-repeat: no-repeat;
  animation: inherit;
  animation-name: l5-1;
}

.loader::after {
  transform-origin: 50% calc(100% + 2px);
  transform: scaleY(-1);
  --s: 3px;
  --d: 180deg;
}

@keyframes l5-0 {
  80% {
    transform: rotate(0)
  }

  100% {
    transform: rotate(0.5turn)
  }
}

@keyframes l5-1 {
  10%,70% {
    background-size: 100% 205%,var(--s,0) 100%
  }

  70%,100% {
    background-position: top,center
  }
}
</style>
